/Engine/Plugins/Runtime/Metasound/Source/MetasoundGraphCore/Public/MetasoundGraph.h
Add an output data source which describes routing of data which is owned this graph and exposed externally.
True if the source was successfully added. False otherwise.
bool AddOutputDataSource ( const [INode](API\Plugins\MetasoundGraphCore\INode) & InNode, const [FVertexName](API\Plugins\MetasoundGraphCore\FVertexName) & InVertexName )